Add AbstractButton::toggled() signal

[ChangeLog][Controls][AbstractButton] Added a toggled() signal that
is emitted whenever a checkable button is interactively toggled by
the user by using either touch, mouse, or keys.

Task-number: QTBUG-57203
Change-Id: If0b0d71d19cbed00f04d8a4309894a055c4254c6
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

5 files changed, 30 insertions, 6 deletions

diff --git a/tests/auto/controls/data/tst_button.qml b/tests/auto/controls/data/tst_button.qml
index dcce20d7..ddfd72b7 100644
--- a/tests/auto/controls/data/tst_button.qml
+++ b/tests/auto/controls/data/tst_button.qml
@@ -58,7 +58,7 @@ TestCase {
     Component {
         id: signalSequenceSpy
         SignalSequenceSpy {
-            signals: ["pressed", "released", "canceled", "clicked", "doubleClicked", "pressedChanged", "downChanged", "checkedChanged"]
+            signals: ["pressed", "released", "canceled", "clicked", "toggled", "doubleClicked", "pressedChanged", "downChanged", "checkedChanged"]
         }
     }
 
@@ -306,6 +306,7 @@ TestCase {
                                         ["pressedChanged", { "pressed": false }],
                                         ["downChanged", { "down": false }],
                                         ["checkedChanged", { "checked": true }],
+                                        "toggled",
                                         "released",
                                         "clicked"]
         control.checkable = true
@@ -319,6 +320,7 @@ TestCase {
                                         ["pressedChanged", { "pressed": false }],
                                         ["downChanged", { "down": false }],
                                         ["checkedChanged", { "checked": false }],
+                                        "toggled",
                                         "released",
                                         "clicked"]
         mouseClick(control)
diff --git a/tests/auto/controls/data/tst_checkbox.qml b/tests/auto/controls/data/tst_checkbox.qml
index b88e6deb..41187aca 100644
--- a/tests/auto/controls/data/tst_checkbox.qml
+++ b/tests/auto/controls/data/tst_checkbox.qml
@@ -40,7 +40,7 @@
 
 import QtQuick 2.2
 import QtTest 1.0
-import QtQuick.Controls 2.1
+import QtQuick.Controls 2.2
 
 TestCase {
     id: testCase
@@ -58,7 +58,7 @@ TestCase {
     Component {
         id: signalSequenceSpy
         SignalSequenceSpy {
-            signals: ["pressed", "released", "canceled", "clicked", "pressedChanged", "checkedChanged", "checkStateChanged"]
+            signals: ["pressed", "released", "canceled", "clicked", "toggled", "pressedChanged", "checkedChanged", "checkStateChanged"]
         }
     }
 
@@ -147,6 +147,7 @@ TestCase {
         sequenceSpy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": false, "checkState": Qt.Unchecked }],
                                         ["checkStateChanged", { "pressed": false, "checked": true, "checkState": Qt.Checked }],
                                         ["checkedChanged", { "pressed": false, "checked": true, "checkState": Qt.Checked }],
+                                        "toggled",
                                         "released",
                                         "clicked"]
         mouseRelease(control, control.width / 2, control.height / 2, Qt.LeftButton)
@@ -164,6 +165,7 @@ TestCase {
         sequenceSpy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": true, "checkState": Qt.Checked }],
                                         ["checkStateChanged", { "pressed": false, "checked": false, "checkState": Qt.Unchecked }],
                                         ["checkedChanged", { "pressed": false, "checked": false, "checkState": Qt.Unchecked }],
+                                        "toggled",
                                         "released",
                                         "clicked"]
         mouseRelease(control, control.width / 2, control.height / 2, Qt.LeftButton)
@@ -219,6 +221,7 @@ TestCase {
                                         ["pressedChanged", { "pressed": false, "checked": false, "checkState": Qt.Unchecked }],
                                         ["checkStateChanged", { "pressed": false, "checked": true, "checkState": Qt.Checked }],
                                         ["checkedChanged", { "pressed": false, "checked": true, "checkState": Qt.Checked }],
+                                        "toggled",
                                         "released",
                                         "clicked"]
         keyClick(Qt.Key_Space)
@@ -232,6 +235,7 @@ TestCase {
                                         ["pressedChanged", { "pressed": false, "checked": true, "checkState": Qt.Checked }],
                                         ["checkStateChanged", { "pressed": false, "checked": false, "checkState": Qt.Unchecked }],
                                         ["checkedChanged", { "pressed": false, "checked": false, "checkState": Qt.Unchecked }],
+                                        "toggled",
                                         "released",
                                         "clicked"]
         keyClick(Qt.Key_Space)
diff --git a/tests/auto/controls/data/tst_radiobutton.qml b/tests/auto/controls/data/tst_radiobutton.qml
index 9b6a2ae5..56d61b47 100644
--- a/tests/auto/controls/data/tst_radiobutton.qml
+++ b/tests/auto/controls/data/tst_radiobutton.qml
@@ -58,7 +58,7 @@ TestCase {
     Component {
         id: signalSequenceSpy
         SignalSequenceSpy {
-            signals: ["pressed", "released", "canceled", "clicked", "pressedChanged", "checkedChanged"]
+            signals: ["pressed", "released", "canceled", "clicked", "toggled", "pressedChanged", "checkedChanged"]
         }
     }
 
@@ -112,6 +112,7 @@ TestCase {
         verify(sequenceSpy.success)
         sequenceSpy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": false }],
                                         ["checkedChanged", { "pressed": false, "checked": true }],
+                                        "toggled",
                                         "released",
                                         "clicked"]
         mouseRelease(control, control.width / 2, control.height / 2, Qt.LeftButton)
@@ -177,6 +178,7 @@ TestCase {
                                         "pressed",
                                         ["pressedChanged", { "pressed": false, "checked": false }],
                                         ["checkedChanged", { "pressed": false, "checked": true }],
+                                        "toggled",
                                         "released",
                                         "clicked"]
         keyClick(Qt.Key_Space)
diff --git a/tests/auto/controls/data/tst_switch.qml b/tests/auto/controls/data/tst_switch.qml
index f3843cf7..4c2147f8 100644
--- a/tests/auto/controls/data/tst_switch.qml
+++ b/tests/auto/controls/data/tst_switch.qml
@@ -58,7 +58,7 @@ TestCase {
     Component {
         id: signalSequenceSpy
         SignalSequenceSpy {
-            signals: ["pressed", "released", "canceled", "clicked", "pressedChanged", "checkedChanged"]
+            signals: ["pressed", "released", "canceled", "clicked", "toggled", "pressedChanged", "checkedChanged"]
         }
     }
 
@@ -131,6 +131,7 @@ TestCase {
         verify(spy.success)
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": false }],
                                 ["checkedChanged", { "pressed": false, "checked": true }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, control.width / 2, control.height / 2, Qt.LeftButton)
@@ -146,6 +147,7 @@ TestCase {
         verify(spy.success)
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": true }],
                                 ["checkedChanged", { "pressed": false, "checked": false }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, control.width / 2, control.height / 2, Qt.LeftButton)
@@ -163,6 +165,7 @@ TestCase {
         compare(control.pressed, true)
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": false }],
                                 ["checkedChanged", { "pressed": false, "checked": true }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, control.width * 2, control.height / 2, Qt.LeftButton)
@@ -180,6 +183,7 @@ TestCase {
         compare(control.pressed, true)
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": true }],
                                 ["checkedChanged", { "pressed": false, "checked": false }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, -control.width, control.height / 2, Qt.LeftButton)
@@ -225,6 +229,7 @@ TestCase {
 
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": false }],
                                 ["checkedChanged", { "pressed": false, "checked": true }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control.indicator, control.indicator.width)
@@ -259,6 +264,7 @@ TestCase {
 
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": true }],
                                 ["checkedChanged", { "pressed": false, "checked": false }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, control.width)
@@ -293,6 +299,7 @@ TestCase {
 
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": false }],
                                 ["checkedChanged", { "pressed": false, "checked": true }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, control.width)
@@ -317,6 +324,7 @@ TestCase {
                                 "pressed",
                                 ["pressedChanged", { "pressed": false, "checked": false }],
                                 ["checkedChanged", { "pressed": false, "checked": true }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         keyClick(Qt.Key_Space)
@@ -328,6 +336,7 @@ TestCase {
                                 "pressed",
                                 ["pressedChanged", { "pressed": false, "checked": true }],
                                 ["checkedChanged", { "pressed": false, "checked": false }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         keyClick(Qt.Key_Space)
diff --git a/tests/auto/controls/data/tst_switchdelegate.qml b/tests/auto/controls/data/tst_switchdelegate.qml
index 4a5d711f..b1c6c82d 100644
--- a/tests/auto/controls/data/tst_switchdelegate.qml
+++ b/tests/auto/controls/data/tst_switchdelegate.qml
@@ -58,7 +58,7 @@ TestCase {
     Component {
         id: signalSequenceSpy
         SignalSequenceSpy {
-            signals: ["pressed", "released", "canceled", "clicked", "pressedChanged", "checkedChanged"]
+            signals: ["pressed", "released", "canceled", "clicked", "toggled", "pressedChanged", "checkedChanged"]
         }
     }
 
@@ -127,6 +127,7 @@ TestCase {
         verify(spy.success)
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": false }],
                                 ["checkedChanged", { "pressed": false, "checked": true }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, control.width / 2, control.height / 2, Qt.LeftButton)
@@ -142,6 +143,7 @@ TestCase {
         verify(spy.success)
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": true }],
                                 ["checkedChanged", { "pressed": false, "checked": false }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, control.width / 2, control.height / 2, Qt.LeftButton)
@@ -159,6 +161,7 @@ TestCase {
         compare(control.pressed, true)
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": false }],
                                 ["checkedChanged", { "pressed": false, "checked": true }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, control.width * 2, control.height / 2, Qt.LeftButton)
@@ -176,6 +179,7 @@ TestCase {
         compare(control.pressed, true)
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": true }],
                                 ["checkedChanged", { "pressed": false, "checked": false }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, -control.width, control.height / 2, Qt.LeftButton)
@@ -221,6 +225,7 @@ TestCase {
 
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": false }],
                                 ["checkedChanged", { "pressed": false, "checked": true }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control.indicator, control.indicator.width)
@@ -255,6 +260,7 @@ TestCase {
 
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": true }],
                                 ["checkedChanged", { "pressed": false, "checked": false }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, control.width)
@@ -289,6 +295,7 @@ TestCase {
 
         spy.expectedSequence = [["pressedChanged", { "pressed": false, "checked": false }],
                                 ["checkedChanged", { "pressed": false, "checked": true }],
+                                "toggled",
                                 "released",
                                 "clicked"]
         mouseRelease(control, control.width)